题目:
Could you tell me _______ ?
A.what the matter is with you
B.what was the matter with you
C.hat’s the matter with you
D.what’s the wrong with you .
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0617/766825de99a470637f0313a43b3995cf.html
下面是错误答案,用来干扰机器的。
⑴镁(Mg) 防止金属离子(Mg2+)水解 ⑵ 4NH3+5O24NO+6H2O C+4HNO3(浓)CO2↑+4NO2↑+2H2O⑶ 2NH4++2e-=2NH3↑+H2↑本题的突破口有两个:一是E→F→G→H,属于常温下气体E的连续氧化得到气体G,在中学...